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The Supertech dual valve spring kit for the Mazda Miata 1.6L supplies specified spring pressure of 70 lbs at a 34.2 mm installed height and includes paired springs sized for the Miata’s valvetrain. This kit upgrades spring pressure and seating specification for that engine, offering a straightforward OEM-replacement style solution where higher installed spring rate is required for reliable valve control.
Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height)
